Automatic comment from SVN on behalf of felipe
Revision: http://svn.php.net/viewvc/?view=revision&amp;revision=303963
Log: - Fixed bug #52971 (PCRE-Meta-Characters not working with utf-8)
# In PCRE, by default, \d, \D, \s, \S, \w, and \W recognize only ASCII
# characters, even in UTF-8 mode. However, this can be changed by setting
# the PCRE_UCP option.

This bug has been fixed in SVN.
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Thank you for the report, and for helping us make PHP better.
In the last version of PCRE was added a flag PCRE_UCP, as states the doc:
"In PCRE, by default, \d, \D, \s, \S, \w, and \W recognize only ASCII characters, even in UTF-8 mode. However, this can be changed by setting the PCRE_UCP option."
Setting the flag we got:
array(1) {
[0]=>
array(1) {
[0]=>
array(2) {
[0]=>
string(6) "Wasser"
[1]=>
int(61)
}
}
}
array(1) {
[0]=>
array(1) {
[0]=>
array(2) {
[0]=>
string(7) " Wasser"
[1]=>
int(60)
}
}
}